This paper estimates transition matrices for the ratings on …nancial insti-tutions, using an unusually informative data set. We show that the processof rating migration exhibits signi…cant non-Markovian behavior, in the sensethat the transition intensities are a¤ected by macroeconomic and...

This paper estimates transition matrices for the ratings on financial insti-tutions, using an unusually informative data set. We show that the process of rating migration exhibits significant non-Markovian behavior, in the sense that the transition intensities are affected by macroeconomic and...

Financial system´s health is a signal of economic growth therefore it is a key indicator toinvestors. As a consequence, one of the main purposes of policymakers is to keep itsstability as well as protect it from foreign activity. Both financial and economic activity ingeneral are susceptible of...